.demo-container {
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 2vmin);
  color: white;
}

.g6-component-tooltip {
  border: 1px solid #e2e2e2;
  border-radius: 4px;
  font-size: 12px;
  color: #000;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 10px 8px;
  box-shadow: rgb(174, 174, 174) 0px 0px 10px;
}